von Kossa–stained sections showed focal granular deposits of calcium between the collagen fibers in the dermis, with focal transepidermal elimination across a hyperplastic parakeratotic epidermis (Figure 2). A foreign body tissue reaction in the surrounding dermis was not observed.
Dermabrasion with the patient under local anesthesia was performed to remove the calcium deposits. The follow-up showed complete reepithelialization, with a visible scar. Photoprotection was recommended. After 1 year, a highly depigmented and erythematous macule without infiltration persisted.
Skin Injury After Electroencephalography. Arch Dermatol. 2002;138(3):405–410. doi:10.1001/archderm.138.3.405
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